{"id":59746,"date":"2018-05-02T17:55:33","date_gmt":"2018-05-02T12:25:33","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?p=59746"},"modified":"2024-04-12T14:20:46","modified_gmt":"2024-04-12T08:50:46","slug":"angular-ngmodule-api","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/angular-ngmodule-api\/","title":{"rendered":"Angular NgModule API"},"content":{"rendered":"<h1>Angular NgModule API<\/h1>\n<p class=\"VSKILLbodytext\">Angular NgModules configure the injector and the compiler and help organize related things together.<\/p>\n<p class=\"VSKILLbodytext\">An NgModule is a class marked by the @NgModule decorator. @NgModule takes a metadata object that describes how to compile a component&#8217;s template and how to create an injector at runtime. It identifies the module&#8217;s own components, directives, and pipes, making some of them public, through the exports property, so that external components can use them. @NgModule can also add service providers to the application dependency injectors.<\/p>\n<p>At a high level, NgModules are a way to organize Angular apps and they accomplish this through the metadata in the @NgModule decorator. The metadata falls into three categories:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Static: Compiler configuration which tells the compiler about directive selectors and where in templates the directives should be applied through selector matching. This is configured via the declarations array.<\/li>\n<li>Runtime: Injector configuration via the providers array.<\/li>\n<li>Composability\/Grouping: Bringing NgModules together and making them available via the imports and exports arrays.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>@NgModule({<\/p>\n<p>\/\/ Static, that is compiler configuration<\/p>\n<p>declarations: [], \/\/ Configure the selectors<\/p>\n<p>entryComponents: [], \/\/ Generate the host factory<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/ Runtime, or injector configuration<\/p>\n<p>providers: [], \/\/ Runtime injector configuration<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/ Composability \/ Grouping<\/p>\n<p>imports: [], \/\/ composing NgModules together<\/p>\n<p>exports: [] \/\/ making NgModules available to other parts of the app<\/p>\n<p>})<\/p>\n<p>&nbsp;<\/p>\n<p>@NgModule metadata<\/p>\n<p class=\"VSKILLbodytext\"><strong>IT Professionals, Web Developers, Web Programmers, IT students can Apply for the certification course to move ahead in their careers.<\/strong><\/p>\n<p><a href=\"https:\/\/www.vskills.in\/certification\/web-development\/angular-4-certification\" rel=\"attachment wp-att-61497\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-61497\" src=\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2018\/04\/Angular-4.png\" sizes=\"auto, (max-width: 1050px) 100vw, 1050px\" srcset=\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2018\/04\/Angular-4.png 1050w, https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2018\/04\/Angular-4-300x48.png 300w, https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2018\/04\/Angular-4-768x124.png 768w, https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2018\/04\/Angular-4-1024x165.png 1024w, https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2018\/04\/Angular-4-712x115.png 712w\" alt=\"\" width=\"1050\" height=\"169\" \/><\/a><\/p>\n<ul>\n<li class=\"VSKILLbodytext\"><a href=\"https:\/\/www.vskills.in\/practice\/skills\/Web-Development\/Angular-4\" target=\"_blank\" rel=\"noopener\">Practice Test for Angular4 <\/a><\/li>\n<li class=\"VSKILLbodytext\"><a href=\"https:\/\/www.vskills.in\/certification\/web-development\/angular-4-certification\" target=\"_blank\" rel=\"noopener\">Govt Certification in Angular 4<\/a><\/li>\n<li><a href=\"https:\/\/www.vskills.in\/certification\/blog\/\">Blog posts on Angular 4 and Web Development<\/a><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/web-development\/angular-4\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-55483 size-full\" src=\"http:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2017\/05\/Back-Arrow.jpg\" alt=\"Angular 4 Tutorial Index\" width=\"47\" height=\"52\" \/>Back to Angular 4 Tutorial Main Page <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Angular NgModule API Angular NgModules configure the injector and the compiler and help organize related things together. An NgModule is a class marked by the @NgModule decorator. @NgModule takes a metadata object that describes how to compile a component&#8217;s template and how to create an injector at runtime. It identifies the module&#8217;s own components, directives,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[7230,7231,5743],"tags":[7221,7227,7235,7236,7226,7234,7338,7232,7223,7233],"class_list":["post-59746","page","type-page","status-publish","hentry","category-angular-2","category-angular-4","category-web-development","tag-angular","tag-angular-4","tag-angular-4-tutorial","tag-angular-cli","tag-angular-js","tag-angular-js-tutorial","tag-angular-ngmodule-api","tag-angular-tutorial","tag-angularjs","tag-angularjs-tutorial"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Angular NgModule API - Tutorial<\/title>\n<meta name=\"description\" content=\"lEarn and know about Angular NgModule API and take tutorials from Vskills and become a certified professional. 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